jackwener commented on PR #7756:
URL: https://github.com/apache/hudi/pull/7756#issuecomment-1406678455
has resolve the Problem.
It's caused by that I remove `boolean hasNext = hasNext();`
I think code may exist problem.
Look like we didn't handle the condition that `hasNext()` return false.
```
// TODO: when hasNext is false, we should not call next()
boolean hasNext = hasNext();
```
I just read source code recently and I don't know about HUDI well. So, I
don't ensure whether it exist problem.
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